]> git.proxmox.com Git - qemu.git/blob - vl.c
projects / qemu.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Process vmstop requests in IO thread
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50 #ifdef CONFIG_SIMPLE_TRACE
51 #include "trace.h"
52 #endif
53
54 #ifdef CONFIG_BSD
55 #include <sys/stat.h>
56 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
57 #include <libutil.h>
58 #include <sys/sysctl.h>
59 #else
60 #include <util.h>
61 #endif
62 #else
63 #ifdef __linux__
64 #include <pty.h>
65 #include <malloc.h>
66
67 #include <linux/ppdev.h>
68 #include <linux/parport.h>
69 #endif
70 #ifdef __sun__
71 #include <sys/stat.h>
72 #include <sys/ethernet.h>
73 #include <sys/sockio.h>
74 #include <netinet/arp.h>
75 #include <netinet/in_systm.h>
76 #include <netinet/ip.h>
77 #include <netinet/ip_icmp.h> // must come after ip.h
78 #include <netinet/udp.h>
79 #include <netinet/tcp.h>
80 #include <net/if.h>
81 #include <syslog.h>
82 #include <stropts.h>
83 #endif
84 #endif
85 #endif
86
87 #if defined(__OpenBSD__)
88 #include <util.h>
89 #endif
90
91 #if defined(CONFIG_VDE)
92 #include <libvdeplug.h>
93 #endif
94
95 #ifdef _WIN32
96 #include <windows.h>
97 #endif
98
99 #ifdef CONFIG_SDL
100 #if defined(__APPLE__) || defined(main)
101 #include <SDL.h>
102 int qemu_main(int argc, char **argv, char **envp);
103 int main(int argc, char **argv)
104 {
105 return qemu_main(argc, argv, NULL);
106 }
107 #undef main
108 #define main qemu_main
109 #endif
110 #endif /* CONFIG_SDL */
111
112 #ifdef CONFIG_COCOA
113 #undef main
114 #define main qemu_main
115 #endif /* CONFIG_COCOA */
116
117 #include "hw/hw.h"
118 #include "hw/boards.h"
119 #include "hw/usb.h"
120 #include "hw/pcmcia.h"
121 #include "hw/pc.h"
122 #include "hw/isa.h"
123 #include "hw/baum.h"
124 #include "hw/bt.h"
125 #include "hw/watchdog.h"
126 #include "hw/smbios.h"
127 #include "hw/xen.h"
128 #include "hw/qdev.h"
129 #include "hw/loader.h"
130 #include "bt-host.h"
131 #include "net.h"
132 #include "net/slirp.h"
133 #include "monitor.h"
134 #include "console.h"
135 #include "sysemu.h"
136 #include "gdbstub.h"
137 #include "qemu-timer.h"
138 #include "qemu-char.h"
139 #include "cache-utils.h"
140 #include "block.h"
141 #include "blockdev.h"
142 #include "block-migration.h"
143 #include "dma.h"
144 #include "audio/audio.h"
145 #include "migration.h"
146 #include "kvm.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-objects.h"
150 #include "qemu-options.h"
151 #ifdef CONFIG_VIRTFS
152 #include "fsdev/qemu-fsdev.h"
153 #endif
154
155 #include "disas.h"
156
157 #include "qemu_socket.h"
158
159 #include "slirp/libslirp.h"
160
161 #include "trace.h"
162 #include "qemu-queue.h"
163 #include "cpus.h"
164 #include "arch_init.h"
165
166 #include "ui/qemu-spice.h"
167
168 //#define DEBUG_NET
169 //#define DEBUG_SLIRP
170
171 #define DEFAULT_RAM_SIZE 128
172
173 #define MAX_VIRTIO_CONSOLES 1
174
175 static const char *data_dir;
176 const char *bios_name = NULL;
177 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
178 DisplayType display_type = DT_DEFAULT;
179 int display_remote = 0;
180 const char* keyboard_layout = NULL;
181 ram_addr_t ram_size;
182 const char *mem_path = NULL;
183 #ifdef MAP_POPULATE
184 int mem_prealloc = 0; /* force preallocation of physical target memory */
185 #endif
186 int nb_nics;
187 NICInfo nd_table[MAX_NICS];
188 int vm_running;
189 int autostart;
190 int incoming_expected; /* Started with -incoming and waiting for incoming */
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 QEMUClock *rtc_clock;
194 int vga_interface_type = VGA_NONE;
195 static int full_screen = 0;
196 #ifdef CONFIG_SDL
197 static int no_frame = 0;
198 #endif
199 int no_quit = 0;
200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203 int win2k_install_hack = 0;
204 int rtc_td_hack = 0;
205 int usb_enabled = 0;
206 int singlestep = 0;
207 int smp_cpus = 1;
208 int max_cpus = 0;
209 int smp_cores = 1;
210 int smp_threads = 1;
211 const char *vnc_display;
212 int acpi_enabled = 1;
213 int no_hpet = 0;
214 int fd_bootchk = 1;
215 int no_reboot = 0;
216 int no_shutdown = 0;
217 int cursor_hide = 1;
218 int graphic_rotate = 0;
219 uint8_t irq0override = 1;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222 int nb_option_roms;
223 int semihosting_enabled = 0;
224 int old_param = 0;
225 const char *qemu_name;
226 int alt_grab = 0;
227 int ctrl_grab = 0;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
230 int boot_menu;
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
246
247 static QEMUTimer *nographic_timer;
248
249 uint8_t qemu_uuid[16];
250
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
253
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
256
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
259
260 int kvm_allowed = 0;
261 uint32_t xen_domid;
262 enum xen_mode xen_mode = XEN_EMULATE;
263
264 static int default_serial = 1;
265 static int default_parallel = 1;
266 static int default_virtcon = 1;
267 static int default_monitor = 1;
268 static int default_vga = 1;
269 static int default_floppy = 1;
270 static int default_cdrom = 1;
271 static int default_sdcard = 1;
272
273 static struct {
274 const char *driver;
275 int *flag;
276 } default_list[] = {
277 { .driver = "isa-serial", .flag = &default_serial },
278 { .driver = "isa-parallel", .flag = &default_parallel },
279 { .driver = "isa-fdc", .flag = &default_floppy },
280 { .driver = "ide-drive", .flag = &default_cdrom },
281 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
282 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
283 { .driver = "virtio-serial", .flag = &default_virtcon },
284 { .driver = "VGA", .flag = &default_vga },
285 { .driver = "cirrus-vga", .flag = &default_vga },
286 { .driver = "vmware-svga", .flag = &default_vga },
287 };
288
289 static int default_driver_check(QemuOpts *opts, void *opaque)
290 {
291 const char *driver = qemu_opt_get(opts, "driver");
292 int i;
293
294 if (!driver)
295 return 0;
296 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
297 if (strcmp(default_list[i].driver, driver) != 0)
298 continue;
299 *(default_list[i].flag) = 0;
300 }
301 return 0;
302 }
303
304 /***********************************************************/
305 /* real time host monotonic timer */
306
307 /***********************************************************/
308 /* host time/date access */
309 void qemu_get_timedate(struct tm *tm, int offset)
310 {
311 time_t ti;
312 struct tm *ret;
313
314 time(&ti);
315 ti += offset;
316 if (rtc_date_offset == -1) {
317 if (rtc_utc)
318 ret = gmtime(&ti);
319 else
320 ret = localtime(&ti);
321 } else {
322 ti -= rtc_date_offset;
323 ret = gmtime(&ti);
324 }
325
326 memcpy(tm, ret, sizeof(struct tm));
327 }
328
329 int qemu_timedate_diff(struct tm *tm)
330 {
331 time_t seconds;
332
333 if (rtc_date_offset == -1)
334 if (rtc_utc)
335 seconds = mktimegm(tm);
336 else
337 seconds = mktime(tm);
338 else
339 seconds = mktimegm(tm) + rtc_date_offset;
340
341 return seconds - time(NULL);
342 }
343
344 void rtc_change_mon_event(struct tm *tm)
345 {
346 QObject *data;
347
348 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
349 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
350 qobject_decref(data);
351 }
352
353 static void configure_rtc_date_offset(const char *startdate, int legacy)
354 {
355 time_t rtc_start_date;
356 struct tm tm;
357
358 if (!strcmp(startdate, "now") && legacy) {
359 rtc_date_offset = -1;
360 } else {
361 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
362 &tm.tm_year,
363 &tm.tm_mon,
364 &tm.tm_mday,
365 &tm.tm_hour,
366 &tm.tm_min,
367 &tm.tm_sec) == 6) {
368 /* OK */
369 } else if (sscanf(startdate, "%d-%d-%d",
370 &tm.tm_year,
371 &tm.tm_mon,
372 &tm.tm_mday) == 3) {
373 tm.tm_hour = 0;
374 tm.tm_min = 0;
375 tm.tm_sec = 0;
376 } else {
377 goto date_fail;
378 }
379 tm.tm_year -= 1900;
380 tm.tm_mon--;
381 rtc_start_date = mktimegm(&tm);
382 if (rtc_start_date == -1) {
383 date_fail:
384 fprintf(stderr, "Invalid date format. Valid formats are:\n"
385 "'2006-06-17T16:01:21' or '2006-06-17'\n");
386 exit(1);
387 }
388 rtc_date_offset = time(NULL) - rtc_start_date;
389 }
390 }
391
392 static void configure_rtc(QemuOpts *opts)
393 {
394 const char *value;
395
396 value = qemu_opt_get(opts, "base");
397 if (value) {
398 if (!strcmp(value, "utc")) {
399 rtc_utc = 1;
400 } else if (!strcmp(value, "localtime")) {
401 rtc_utc = 0;
402 } else {
403 configure_rtc_date_offset(value, 0);
404 }
405 }
406 value = qemu_opt_get(opts, "clock");
407 if (value) {
408 if (!strcmp(value, "host")) {
409 rtc_clock = host_clock;
410 } else if (!strcmp(value, "vm")) {
411 rtc_clock = vm_clock;
412 } else {
413 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
414 exit(1);
415 }
416 }
417 value = qemu_opt_get(opts, "driftfix");
418 if (value) {
419 if (!strcmp(value, "slew")) {
420 rtc_td_hack = 1;
421 } else if (!strcmp(value, "none")) {
422 rtc_td_hack = 0;
423 } else {
424 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
425 exit(1);
426 }
427 }
428 }
429
430 /***********************************************************/
431 /* Bluetooth support */
432 static int nb_hcis;
433 static int cur_hci;
434 static struct HCIInfo *hci_table[MAX_NICS];
435
436 static struct bt_vlan_s {
437 struct bt_scatternet_s net;
438 int id;
439 struct bt_vlan_s *next;
440 } *first_bt_vlan;
441
442 /* find or alloc a new bluetooth "VLAN" */
443 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
444 {
445 struct bt_vlan_s **pvlan, *vlan;
446 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
447 if (vlan->id == id)
448 return &vlan->net;
449 }
450 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
451 vlan->id = id;
452 pvlan = &first_bt_vlan;
453 while (*pvlan != NULL)
454 pvlan = &(*pvlan)->next;
455 *pvlan = vlan;
456 return &vlan->net;
457 }
458
459 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
460 {
461 }
462
463 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
464 {
465 return -ENOTSUP;
466 }
467
468 static struct HCIInfo null_hci = {
469 .cmd_send = null_hci_send,
470 .sco_send = null_hci_send,
471 .acl_send = null_hci_send,
472 .bdaddr_set = null_hci_addr_set,
473 };
474
475 struct HCIInfo *qemu_next_hci(void)
476 {
477 if (cur_hci == nb_hcis)
478 return &null_hci;
479
480 return hci_table[cur_hci++];
481 }
482
483 static struct HCIInfo *hci_init(const char *str)
484 {
485 char *endp;
486 struct bt_scatternet_s *vlan = 0;
487
488 if (!strcmp(str, "null"))
489 /* null */
490 return &null_hci;
491 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
492 /* host[:hciN] */
493 return bt_host_hci(str[4] ? str + 5 : "hci0");
494 else if (!strncmp(str, "hci", 3)) {
495 /* hci[,vlan=n] */
496 if (str[3]) {
497 if (!strncmp(str + 3, ",vlan=", 6)) {
498 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
499 if (*endp)
500 vlan = 0;
501 }
502 } else
503 vlan = qemu_find_bt_vlan(0);
504 if (vlan)
505 return bt_new_hci(vlan);
506 }
507
508 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
509
510 return 0;
511 }
512
513 static int bt_hci_parse(const char *str)
514 {
515 struct HCIInfo *hci;
516 bdaddr_t bdaddr;
517
518 if (nb_hcis >= MAX_NICS) {
519 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
520 return -1;
521 }
522
523 hci = hci_init(str);
524 if (!hci)
525 return -1;
526
527 bdaddr.b[0] = 0x52;
528 bdaddr.b[1] = 0x54;
529 bdaddr.b[2] = 0x00;
530 bdaddr.b[3] = 0x12;
531 bdaddr.b[4] = 0x34;
532 bdaddr.b[5] = 0x56 + nb_hcis;
533 hci->bdaddr_set(hci, bdaddr.b);
534
535 hci_table[nb_hcis++] = hci;
536
537 return 0;
538 }
539
540 static void bt_vhci_add(int vlan_id)
541 {
542 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
543
544 if (!vlan->slave)
545 fprintf(stderr, "qemu: warning: adding a VHCI to "
546 "an empty scatternet %i\n", vlan_id);
547
548 bt_vhci_init(bt_new_hci(vlan));
549 }
550
551 static struct bt_device_s *bt_device_add(const char *opt)
552 {
553 struct bt_scatternet_s *vlan;
554 int vlan_id = 0;
555 char *endp = strstr(opt, ",vlan=");
556 int len = (endp ? endp - opt : strlen(opt)) + 1;
557 char devname[10];
558
559 pstrcpy(devname, MIN(sizeof(devname), len), opt);
560
561 if (endp) {
562 vlan_id = strtol(endp + 6, &endp, 0);
563 if (*endp) {
564 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
565 return 0;
566 }
567 }
568
569 vlan = qemu_find_bt_vlan(vlan_id);
570
571 if (!vlan->slave)
572 fprintf(stderr, "qemu: warning: adding a slave device to "
573 "an empty scatternet %i\n", vlan_id);
574
575 if (!strcmp(devname, "keyboard"))
576 return bt_keyboard_init(vlan);
577
578 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
579 return 0;
580 }
581
582 static int bt_parse(const char *opt)
583 {
584 const char *endp, *p;
585 int vlan;
586
587 if (strstart(opt, "hci", &endp)) {
588 if (!*endp || *endp == ',') {
589 if (*endp)
590 if (!strstart(endp, ",vlan=", 0))
591 opt = endp + 1;
592
593 return bt_hci_parse(opt);
594 }
595 } else if (strstart(opt, "vhci", &endp)) {
596 if (!*endp || *endp == ',') {
597 if (*endp) {
598 if (strstart(endp, ",vlan=", &p)) {
599 vlan = strtol(p, (char **) &endp, 0);
600 if (*endp) {
601 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
602 return 1;
603 }
604 } else {
605 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
606 return 1;
607 }
608 } else
609 vlan = 0;
610
611 bt_vhci_add(vlan);
612 return 0;
613 }
614 } else if (strstart(opt, "device:", &endp))
615 return !bt_device_add(endp);
616
617 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
618 return 1;
619 }
620
621 /***********************************************************/
622 /* QEMU Block devices */
623
624 #define HD_OPTS "media=disk"
625 #define CDROM_OPTS "media=cdrom"
626 #define FD_OPTS ""
627 #define PFLASH_OPTS ""
628 #define MTD_OPTS ""
629 #define SD_OPTS ""
630
631 static int drive_init_func(QemuOpts *opts, void *opaque)
632 {
633 int *use_scsi = opaque;
634
635 return drive_init(opts, *use_scsi) == NULL;
636 }
637
638 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
639 {
640 if (NULL == qemu_opt_get(opts, "snapshot")) {
641 qemu_opt_set(opts, "snapshot", "on");
642 }
643 return 0;
644 }
645
646 static void default_drive(int enable, int snapshot, int use_scsi,
647 BlockInterfaceType type, int index,
648 const char *optstr)
649 {
650 QemuOpts *opts;
651
652 if (type == IF_DEFAULT) {
653 type = use_scsi ? IF_SCSI : IF_IDE;
654 }
655
656 if (!enable || drive_get_by_index(type, index)) {
657 return;
658 }
659
660 opts = drive_add(type, index, NULL, optstr);
661 if (snapshot) {
662 drive_enable_snapshot(opts, NULL);
663 }
664 if (!drive_init(opts, use_scsi)) {
665 exit(1);
666 }
667 }
668
669 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
670 {
671 boot_set_handler = func;
672 boot_set_opaque = opaque;
673 }
674
675 int qemu_boot_set(const char *boot_devices)
676 {
677 if (!boot_set_handler) {
678 return -EINVAL;
679 }
680 return boot_set_handler(boot_set_opaque, boot_devices);
681 }
682
683 static void validate_bootdevices(char *devices)
684 {
685 /* We just do some generic consistency checks */
686 const char *p;
687 int bitmap = 0;
688
689 for (p = devices; *p != '\0'; p++) {
690 /* Allowed boot devices are:
691 * a-b: floppy disk drives
692 * c-f: IDE disk drives
693 * g-m: machine implementation dependant drives
694 * n-p: network devices
695 * It's up to each machine implementation to check if the given boot
696 * devices match the actual hardware implementation and firmware
697 * features.
698 */
699 if (*p < 'a' || *p > 'p') {
700 fprintf(stderr, "Invalid boot device '%c'\n", *p);
701 exit(1);
702 }
703 if (bitmap & (1 << (*p - 'a'))) {
704 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
705 exit(1);
706 }
707 bitmap |= 1 << (*p - 'a');
708 }
709 }
710
711 static void restore_boot_devices(void *opaque)
712 {
713 char *standard_boot_devices = opaque;
714 static int first = 1;
715
716 /* Restore boot order and remove ourselves after the first boot */
717 if (first) {
718 first = 0;
719 return;
720 }
721
722 qemu_boot_set(standard_boot_devices);
723
724 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
725 qemu_free(standard_boot_devices);
726 }
727
728 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
729 const char *suffix)
730 {
731 FWBootEntry *node, *i;
732
733 if (bootindex < 0) {
734 return;
735 }
736
737 assert(dev != NULL || suffix != NULL);
738
739 node = qemu_mallocz(sizeof(FWBootEntry));
740 node->bootindex = bootindex;
741 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
742 node->dev = dev;
743
744 QTAILQ_FOREACH(i, &fw_boot_order, link) {
745 if (i->bootindex == bootindex) {
746 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
747 exit(1);
748 } else if (i->bootindex < bootindex) {
749 continue;
750 }
751 QTAILQ_INSERT_BEFORE(i, node, link);
752 return;
753 }
754 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
755 }
756
757 /*
758 * This function returns null terminated string that consist of new line
759 * separated device pathes.
760 *
761 * memory pointed by "size" is assigned total length of the array in bytes
762 *
763 */
764 char *get_boot_devices_list(uint32_t *size)
765 {
766 FWBootEntry *i;
767 uint32_t total = 0;
768 char *list = NULL;
769
770 QTAILQ_FOREACH(i, &fw_boot_order, link) {
771 char *devpath = NULL, *bootpath;
772 int len;
773
774 if (i->dev) {
775 devpath = qdev_get_fw_dev_path(i->dev);
776 assert(devpath);
777 }
778
779 if (i->suffix && devpath) {
780 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
781
782 bootpath = qemu_malloc(bootpathlen);
783 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
784 qemu_free(devpath);
785 } else if (devpath) {
786 bootpath = devpath;
787 } else {
788 bootpath = qemu_strdup(i->suffix);
789 assert(bootpath);
790 }
791
792 if (total) {
793 list[total-1] = '\n';
794 }
795 len = strlen(bootpath) + 1;
796 list = qemu_realloc(list, total + len);
797 memcpy(&list[total], bootpath, len);
798 total += len;
799 qemu_free(bootpath);
800 }
801
802 *size = total;
803
804 return list;
805 }
806
807 static void numa_add(const char *optarg)
808 {
809 char option[128];
810 char *endptr;
811 unsigned long long value, endvalue;
812 int nodenr;
813
814 optarg = get_opt_name(option, 128, optarg, ',') + 1;
815 if (!strcmp(option, "node")) {
816 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
817 nodenr = nb_numa_nodes;
818 } else {
819 nodenr = strtoull(option, NULL, 10);
820 }
821
822 if (get_param_value(option, 128, "mem", optarg) == 0) {
823 node_mem[nodenr] = 0;
824 } else {
825 int64_t sval;
826 sval = strtosz(option, NULL);
827 if (sval < 0) {
828 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
829 exit(1);
830 }
831 node_mem[nodenr] = sval;
832 }
833 if (get_param_value(option, 128, "cpus", optarg) == 0) {
834 node_cpumask[nodenr] = 0;
835 } else {
836 value = strtoull(option, &endptr, 10);
837 if (value >= 64) {
838 value = 63;
839 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
840 } else {
841 if (*endptr == '-') {
842 endvalue = strtoull(endptr+1, &endptr, 10);
843 if (endvalue >= 63) {
844 endvalue = 62;
845 fprintf(stderr,
846 "only 63 CPUs in NUMA mode supported.\n");
847 }
848 value = (2ULL << endvalue) - (1ULL << value);
849 } else {
850 value = 1ULL << value;
851 }
852 }
853 node_cpumask[nodenr] = value;
854 }
855 nb_numa_nodes++;
856 }
857 return;
858 }
859
860 static void smp_parse(const char *optarg)
861 {
862 int smp, sockets = 0, threads = 0, cores = 0;
863 char *endptr;
864 char option[128];
865
866 smp = strtoul(optarg, &endptr, 10);
867 if (endptr != optarg) {
868 if (*endptr == ',') {
869 endptr++;
870 }
871 }
872 if (get_param_value(option, 128, "sockets", endptr) != 0)
873 sockets = strtoull(option, NULL, 10);
874 if (get_param_value(option, 128, "cores", endptr) != 0)
875 cores = strtoull(option, NULL, 10);
876 if (get_param_value(option, 128, "threads", endptr) != 0)
877 threads = strtoull(option, NULL, 10);
878 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
879 max_cpus = strtoull(option, NULL, 10);
880
881 /* compute missing values, prefer sockets over cores over threads */
882 if (smp == 0 || sockets == 0) {
883 sockets = sockets > 0 ? sockets : 1;
884 cores = cores > 0 ? cores : 1;
885 threads = threads > 0 ? threads : 1;
886 if (smp == 0) {
887 smp = cores * threads * sockets;
888 }
889 } else {
890 if (cores == 0) {
891 threads = threads > 0 ? threads : 1;
892 cores = smp / (sockets * threads);
893 } else {
894 threads = smp / (cores * sockets);
895 }
896 }
897 smp_cpus = smp;
898 smp_cores = cores > 0 ? cores : 1;
899 smp_threads = threads > 0 ? threads : 1;
900 if (max_cpus == 0)
901 max_cpus = smp_cpus;
902 }
903
904 /***********************************************************/
905 /* USB devices */
906
907 static int usb_device_add(const char *devname)
908 {
909 const char *p;
910 USBDevice *dev = NULL;
911
912 if (!usb_enabled)
913 return -1;
914
915 /* drivers with .usbdevice_name entry in USBDeviceInfo */
916 dev = usbdevice_create(devname);
917 if (dev)
918 goto done;
919
920 /* the other ones */
921 if (strstart(devname, "host:", &p)) {
922 dev = usb_host_device_open(p);
923 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
924 dev = usb_bt_init(devname[2] ? hci_init(p) :
925 bt_new_hci(qemu_find_bt_vlan(0)));
926 } else {
927 return -1;
928 }
929 if (!dev)
930 return -1;
931
932 done:
933 return 0;
934 }
935
936 static int usb_device_del(const char *devname)
937 {
938 int bus_num, addr;
939 const char *p;
940
941 if (strstart(devname, "host:", &p))
942 return usb_host_device_close(p);
943
944 if (!usb_enabled)
945 return -1;
946
947 p = strchr(devname, '.');
948 if (!p)
949 return -1;
950 bus_num = strtoul(devname, NULL, 0);
951 addr = strtoul(p + 1, NULL, 0);
952
953 return usb_device_delete_addr(bus_num, addr);
954 }
955
956 static int usb_parse(const char *cmdline)
957 {
958 int r;
959 r = usb_device_add(cmdline);
960 if (r < 0) {
961 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
962 }
963 return r;
964 }
965
966 void do_usb_add(Monitor *mon, const QDict *qdict)
967 {
968 const char *devname = qdict_get_str(qdict, "devname");
969 if (usb_device_add(devname) < 0) {
970 error_report("could not add USB device '%s'", devname);
971 }
972 }
973
974 void do_usb_del(Monitor *mon, const QDict *qdict)
975 {
976 const char *devname = qdict_get_str(qdict, "devname");
977 if (usb_device_del(devname) < 0) {
978 error_report("could not delete USB device '%s'", devname);
979 }
980 }
981
982 /***********************************************************/
983 /* PCMCIA/Cardbus */
984
985 static struct pcmcia_socket_entry_s {
986 PCMCIASocket *socket;
987 struct pcmcia_socket_entry_s *next;
988 } *pcmcia_sockets = 0;
989
990 void pcmcia_socket_register(PCMCIASocket *socket)
991 {
992 struct pcmcia_socket_entry_s *entry;
993
994 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
995 entry->socket = socket;
996 entry->next = pcmcia_sockets;
997 pcmcia_sockets = entry;
998 }
999
1000 void pcmcia_socket_unregister(PCMCIASocket *socket)
1001 {
1002 struct pcmcia_socket_entry_s *entry, **ptr;
1003
1004 ptr = &pcmcia_sockets;
1005 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1006 if (entry->socket == socket) {
1007 *ptr = entry->next;
1008 qemu_free(entry);
1009 }
1010 }
1011
1012 void pcmcia_info(Monitor *mon)
1013 {
1014 struct pcmcia_socket_entry_s *iter;
1015
1016 if (!pcmcia_sockets)
1017 monitor_printf(mon, "No PCMCIA sockets\n");
1018
1019 for (iter = pcmcia_sockets; iter; iter = iter->next)
1020 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1021 iter->socket->attached ? iter->socket->card_string :
1022 "Empty");
1023 }
1024
1025 /***********************************************************/
1026 /* I/O handling */
1027
1028 typedef struct IOHandlerRecord {
1029 int fd;
1030 IOCanReadHandler *fd_read_poll;
1031 IOHandler *fd_read;
1032 IOHandler *fd_write;
1033 int deleted;
1034 void *opaque;
1035 /* temporary data */
1036 struct pollfd *ufd;
1037 QLIST_ENTRY(IOHandlerRecord) next;
1038 } IOHandlerRecord;
1039
1040 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1041 QLIST_HEAD_INITIALIZER(io_handlers);
1042
1043
1044 /* XXX: fd_read_poll should be suppressed, but an API change is
1045 necessary in the character devices to suppress fd_can_read(). */
1046 int qemu_set_fd_handler2(int fd,
1047 IOCanReadHandler *fd_read_poll,
1048 IOHandler *fd_read,
1049 IOHandler *fd_write,
1050 void *opaque)
1051 {
1052 IOHandlerRecord *ioh;
1053
1054 if (!fd_read && !fd_write) {
1055 QLIST_FOREACH(ioh, &io_handlers, next) {
1056 if (ioh->fd == fd) {
1057 ioh->deleted = 1;
1058 break;
1059 }
1060 }
1061 } else {
1062 QLIST_FOREACH(ioh, &io_handlers, next) {
1063 if (ioh->fd == fd)
1064 goto found;
1065 }
1066 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1067 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1068 found:
1069 ioh->fd = fd;
1070 ioh->fd_read_poll = fd_read_poll;
1071 ioh->fd_read = fd_read;
1072 ioh->fd_write = fd_write;
1073 ioh->opaque = opaque;
1074 ioh->deleted = 0;
1075 }
1076 return 0;
1077 }
1078
1079 int qemu_set_fd_handler(int fd,
1080 IOHandler *fd_read,
1081 IOHandler *fd_write,
1082 void *opaque)
1083 {
1084 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1085 }
1086
1087 /***********************************************************/
1088 /* machine registration */
1089
1090 static QEMUMachine *first_machine = NULL;
1091 QEMUMachine *current_machine = NULL;
1092
1093 int qemu_register_machine(QEMUMachine *m)
1094 {
1095 QEMUMachine **pm;
1096 pm = &first_machine;
1097 while (*pm != NULL)
1098 pm = &(*pm)->next;
1099 m->next = NULL;
1100 *pm = m;
1101 return 0;
1102 }
1103
1104 static QEMUMachine *find_machine(const char *name)
1105 {
1106 QEMUMachine *m;
1107
1108 for(m = first_machine; m != NULL; m = m->next) {
1109 if (!strcmp(m->name, name))
1110 return m;
1111 if (m->alias && !strcmp(m->alias, name))
1112 return m;
1113 }
1114 return NULL;
1115 }
1116
1117 static QEMUMachine *find_default_machine(void)
1118 {
1119 QEMUMachine *m;
1120
1121 for(m = first_machine; m != NULL; m = m->next) {
1122 if (m->is_default) {
1123 return m;
1124 }
1125 }
1126 return NULL;
1127 }
1128
1129 /***********************************************************/
1130 /* main execution loop */
1131
1132 static void gui_update(void *opaque)
1133 {
1134 uint64_t interval = GUI_REFRESH_INTERVAL;
1135 DisplayState *ds = opaque;
1136 DisplayChangeListener *dcl = ds->listeners;
1137
1138 qemu_flush_coalesced_mmio_buffer();
1139 dpy_refresh(ds);
1140
1141 while (dcl != NULL) {
1142 if (dcl->gui_timer_interval &&
1143 dcl->gui_timer_interval < interval)
1144 interval = dcl->gui_timer_interval;
1145 dcl = dcl->next;
1146 }
1147 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1148 }
1149
1150 static void nographic_update(void *opaque)
1151 {
1152 uint64_t interval = GUI_REFRESH_INTERVAL;
1153
1154 qemu_flush_coalesced_mmio_buffer();
1155 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1156 }
1157
1158 struct vm_change_state_entry {
1159 VMChangeStateHandler *cb;
1160 void *opaque;
1161 QLIST_ENTRY (vm_change_state_entry) entries;
1162 };
1163
1164 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1165
1166 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1167 void *opaque)
1168 {
1169 VMChangeStateEntry *e;
1170
1171 e = qemu_mallocz(sizeof (*e));
1172
1173 e->cb = cb;
1174 e->opaque = opaque;
1175 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1176 return e;
1177 }
1178
1179 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1180 {
1181 QLIST_REMOVE (e, entries);
1182 qemu_free (e);
1183 }
1184
1185 void vm_state_notify(int running, int reason)
1186 {
1187 VMChangeStateEntry *e;
1188
1189 trace_vm_state_notify(running, reason);
1190
1191 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1192 e->cb(e->opaque, running, reason);
1193 }
1194 }
1195
1196 void vm_start(void)
1197 {
1198 if (!vm_running) {
1199 cpu_enable_ticks();
1200 vm_running = 1;
1201 vm_state_notify(1, 0);
1202 resume_all_vcpus();
1203 monitor_protocol_event(QEVENT_RESUME, NULL);
1204 }
1205 }
1206
1207 /* reset/shutdown handler */
1208
1209 typedef struct QEMUResetEntry {
1210 QTAILQ_ENTRY(QEMUResetEntry) entry;
1211 QEMUResetHandler *func;
1212 void *opaque;
1213 } QEMUResetEntry;
1214
1215 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1216 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1217 static int reset_requested;
1218 static int shutdown_requested;
1219 static int powerdown_requested;
1220 int debug_requested;
1221 int vmstop_requested;
1222
1223 int qemu_shutdown_requested(void)
1224 {
1225 int r = shutdown_requested;
1226 shutdown_requested = 0;
1227 return r;
1228 }
1229
1230 int qemu_reset_requested(void)
1231 {
1232 int r = reset_requested;
1233 reset_requested = 0;
1234 return r;
1235 }
1236
1237 int qemu_powerdown_requested(void)
1238 {
1239 int r = powerdown_requested;
1240 powerdown_requested = 0;
1241 return r;
1242 }
1243
1244 static int qemu_debug_requested(void)
1245 {
1246 int r = debug_requested;
1247 debug_requested = 0;
1248 return r;
1249 }
1250
1251 static int qemu_vmstop_requested(void)
1252 {
1253 int r = vmstop_requested;
1254 vmstop_requested = 0;
1255 return r;
1256 }
1257
1258 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1259 {
1260 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1261
1262 re->func = func;
1263 re->opaque = opaque;
1264 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1265 }
1266
1267 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1268 {
1269 QEMUResetEntry *re;
1270
1271 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1272 if (re->func == func && re->opaque == opaque) {
1273 QTAILQ_REMOVE(&reset_handlers, re, entry);
1274 qemu_free(re);
1275 return;
1276 }
1277 }
1278 }
1279
1280 void qemu_system_reset(void)
1281 {
1282 QEMUResetEntry *re, *nre;
1283
1284 /* reset all devices */
1285 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1286 re->func(re->opaque);
1287 }
1288 monitor_protocol_event(QEVENT_RESET, NULL);
1289 cpu_synchronize_all_post_reset();
1290 }
1291
1292 void qemu_system_reset_request(void)
1293 {
1294 if (no_reboot) {
1295 shutdown_requested = 1;
1296 } else {
1297 reset_requested = 1;
1298 }
1299 cpu_stop_current();
1300 qemu_notify_event();
1301 }
1302
1303 void qemu_system_shutdown_request(void)
1304 {
1305 shutdown_requested = 1;
1306 qemu_notify_event();
1307 }
1308
1309 void qemu_system_powerdown_request(void)
1310 {
1311 powerdown_requested = 1;
1312 qemu_notify_event();
1313 }
1314
1315 void main_loop_wait(int nonblocking)
1316 {
1317 IOHandlerRecord *ioh;
1318 fd_set rfds, wfds, xfds;
1319 int ret, nfds;
1320 struct timeval tv;
1321 int timeout;
1322
1323 if (nonblocking)
1324 timeout = 0;
1325 else {
1326 timeout = qemu_calculate_timeout();
1327 qemu_bh_update_timeout(&timeout);
1328 }
1329
1330 os_host_main_loop_wait(&timeout);
1331
1332 /* poll any events */
1333 /* XXX: separate device handlers from system ones */
1334 nfds = -1;
1335 FD_ZERO(&rfds);
1336 FD_ZERO(&wfds);
1337 FD_ZERO(&xfds);
1338 QLIST_FOREACH(ioh, &io_handlers, next) {
1339 if (ioh->deleted)
1340 continue;
1341 if (ioh->fd_read &&
1342 (!ioh->fd_read_poll ||
1343 ioh->fd_read_poll(ioh->opaque) != 0)) {
1344 FD_SET(ioh->fd, &rfds);
1345 if (ioh->fd > nfds)
1346 nfds = ioh->fd;
1347 }
1348 if (ioh->fd_write) {
1349 FD_SET(ioh->fd, &wfds);
1350 if (ioh->fd > nfds)
1351 nfds = ioh->fd;
1352 }
1353 }
1354
1355 tv.tv_sec = timeout / 1000;
1356 tv.tv_usec = (timeout % 1000) * 1000;
1357
1358 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1359
1360 qemu_mutex_unlock_iothread();
1361 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1362 qemu_mutex_lock_iothread();
1363 if (ret > 0) {
1364 IOHandlerRecord *pioh;
1365
1366 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1367 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1368 ioh->fd_read(ioh->opaque);
1369 }
1370 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1371 ioh->fd_write(ioh->opaque);
1372 }
1373
1374 /* Do this last in case read/write handlers marked it for deletion */
1375 if (ioh->deleted) {
1376 QLIST_REMOVE(ioh, next);
1377 qemu_free(ioh);
1378 }
1379 }
1380 }
1381
1382 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1383
1384 qemu_run_all_timers();
1385
1386 /* Check bottom-halves last in case any of the earlier events triggered
1387 them. */
1388 qemu_bh_poll();
1389
1390 }
1391
1392 static int vm_can_run(void)
1393 {
1394 return !(powerdown_requested ||
1395 reset_requested ||
1396 shutdown_requested ||
1397 debug_requested ||
1398 vmstop_requested);
1399 }
1400
1401 qemu_irq qemu_system_powerdown;
1402
1403 static void main_loop(void)
1404 {
1405 int r;
1406
1407 qemu_main_loop_start();
1408
1409 for (;;) {
1410 do {
1411 bool nonblocking = false;
1412 #ifdef CONFIG_PROFILER
1413 int64_t ti;
1414 #endif
1415 #ifndef CONFIG_IOTHREAD
1416 nonblocking = cpu_exec_all();
1417 #endif
1418 #ifdef CONFIG_PROFILER
1419 ti = profile_getclock();
1420 #endif
1421 main_loop_wait(nonblocking);
1422 #ifdef CONFIG_PROFILER
1423 dev_time += profile_getclock() - ti;
1424 #endif
1425 } while (vm_can_run());
1426
1427 if ((r = qemu_debug_requested())) {
1428 vm_stop(r);
1429 }
1430 if (qemu_shutdown_requested()) {
1431 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1432 if (no_shutdown) {
1433 vm_stop(0);
1434 no_shutdown = 0;
1435 } else
1436 break;
1437 }
1438 if (qemu_reset_requested()) {
1439 pause_all_vcpus();
1440 qemu_system_reset();
1441 resume_all_vcpus();
1442 }
1443 if (qemu_powerdown_requested()) {
1444 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1445 qemu_irq_raise(qemu_system_powerdown);
1446 }
1447 if ((r = qemu_vmstop_requested())) {
1448 vm_stop(r);
1449 }
1450 }
1451 bdrv_close_all();
1452 pause_all_vcpus();
1453 }
1454
1455 static void version(void)
1456 {
1457 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1458 }
1459
1460 static void help(int exitcode)
1461 {
1462 const char *options_help =
1463 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1464 opt_help
1465 #define DEFHEADING(text) stringify(text) "\n"
1466 #include "qemu-options.def"
1467 #undef DEF
1468 #undef DEFHEADING
1469 #undef GEN_DOCS
1470 ;
1471 version();
1472 printf("usage: %s [options] [disk_image]\n"
1473 "\n"
1474 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1475 "\n"
1476 "%s\n"
1477 "During emulation, the following keys are useful:\n"
1478 "ctrl-alt-f toggle full screen\n"
1479 "ctrl-alt-n switch to virtual console 'n'\n"
1480 "ctrl-alt toggle mouse and keyboard grab\n"
1481 "\n"
1482 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1483 "qemu",
1484 options_help);
1485 exit(exitcode);
1486 }
1487
1488 #define HAS_ARG 0x0001
1489
1490 typedef struct QEMUOption {
1491 const char *name;
1492 int flags;
1493 int index;
1494 uint32_t arch_mask;
1495 } QEMUOption;
1496
1497 static const QEMUOption qemu_options[] = {
1498 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1499 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1500 { option, opt_arg, opt_enum, arch_mask },
1501 #define DEFHEADING(text)
1502 #include "qemu-options.def"
1503 #undef DEF
1504 #undef DEFHEADING
1505 #undef GEN_DOCS
1506 { NULL },
1507 };
1508 static void select_vgahw (const char *p)
1509 {
1510 const char *opts;
1511
1512 default_vga = 0;
1513 vga_interface_type = VGA_NONE;
1514 if (strstart(p, "std", &opts)) {
1515 vga_interface_type = VGA_STD;
1516 } else if (strstart(p, "cirrus", &opts)) {
1517 vga_interface_type = VGA_CIRRUS;
1518 } else if (strstart(p, "vmware", &opts)) {
1519 vga_interface_type = VGA_VMWARE;
1520 } else if (strstart(p, "xenfb", &opts)) {
1521 vga_interface_type = VGA_XENFB;
1522 } else if (strstart(p, "qxl", &opts)) {
1523 vga_interface_type = VGA_QXL;
1524 } else if (!strstart(p, "none", &opts)) {
1525 invalid_vga:
1526 fprintf(stderr, "Unknown vga type: %s\n", p);
1527 exit(1);
1528 }
1529 while (*opts) {
1530 const char *nextopt;
1531
1532 if (strstart(opts, ",retrace=", &nextopt)) {
1533 opts = nextopt;
1534 if (strstart(opts, "dumb", &nextopt))
1535 vga_retrace_method = VGA_RETRACE_DUMB;
1536 else if (strstart(opts, "precise", &nextopt))
1537 vga_retrace_method = VGA_RETRACE_PRECISE;
1538 else goto invalid_vga;
1539 } else goto invalid_vga;
1540 opts = nextopt;
1541 }
1542 }
1543
1544 static int balloon_parse(const char *arg)
1545 {
1546 QemuOpts *opts;
1547
1548 if (strcmp(arg, "none") == 0) {
1549 return 0;
1550 }
1551
1552 if (!strncmp(arg, "virtio", 6)) {
1553 if (arg[6] == ',') {
1554 /* have params -> parse them */
1555 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1556 if (!opts)
1557 return -1;
1558 } else {
1559 /* create empty opts */
1560 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1561 }
1562 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1563 return 0;
1564 }
1565
1566 return -1;
1567 }
1568
1569 char *qemu_find_file(int type, const char *name)
1570 {
1571 int len;
1572 const char *subdir;
1573 char *buf;
1574
1575 /* If name contains path separators then try it as a straight path. */
1576 if ((strchr(name, '/') || strchr(name, '\\'))
1577 && access(name, R_OK) == 0) {
1578 return qemu_strdup(name);
1579 }
1580 switch (type) {
1581 case QEMU_FILE_TYPE_BIOS:
1582 subdir = "";
1583 break;
1584 case QEMU_FILE_TYPE_KEYMAP:
1585 subdir = "keymaps/";
1586 break;
1587 default:
1588 abort();
1589 }
1590 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1591 buf = qemu_mallocz(len);
1592 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1593 if (access(buf, R_OK)) {
1594 qemu_free(buf);
1595 return NULL;
1596 }
1597 return buf;
1598 }
1599
1600 static int device_help_func(QemuOpts *opts, void *opaque)
1601 {
1602 return qdev_device_help(opts);
1603 }
1604
1605 static int device_init_func(QemuOpts *opts, void *opaque)
1606 {
1607 DeviceState *dev;
1608
1609 dev = qdev_device_add(opts);
1610 if (!dev)
1611 return -1;
1612 return 0;
1613 }
1614
1615 static int chardev_init_func(QemuOpts *opts, void *opaque)
1616 {
1617 CharDriverState *chr;
1618
1619 chr = qemu_chr_open_opts(opts, NULL);
1620 if (!chr)
1621 return -1;
1622 return 0;
1623 }
1624
1625 #ifdef CONFIG_VIRTFS
1626 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1627 {
1628 int ret;
1629 ret = qemu_fsdev_add(opts);
1630
1631 return ret;
1632 }
1633 #endif
1634
1635 static int mon_init_func(QemuOpts *opts, void *opaque)
1636 {
1637 CharDriverState *chr;
1638 const char *chardev;
1639 const char *mode;
1640 int flags;
1641
1642 mode = qemu_opt_get(opts, "mode");
1643 if (mode == NULL) {
1644 mode = "readline";
1645 }
1646 if (strcmp(mode, "readline") == 0) {
1647 flags = MONITOR_USE_READLINE;
1648 } else if (strcmp(mode, "control") == 0) {
1649 flags = MONITOR_USE_CONTROL;
1650 } else {
1651 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1652 exit(1);
1653 }
1654
1655 if (qemu_opt_get_bool(opts, "pretty", 0))
1656 flags |= MONITOR_USE_PRETTY;
1657
1658 if (qemu_opt_get_bool(opts, "default", 0))
1659 flags |= MONITOR_IS_DEFAULT;
1660
1661 chardev = qemu_opt_get(opts, "chardev");
1662 chr = qemu_chr_find(chardev);
1663 if (chr == NULL) {
1664 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1665 exit(1);
1666 }
1667
1668 monitor_init(chr, flags);
1669 return 0;
1670 }
1671
1672 static void monitor_parse(const char *optarg, const char *mode)
1673 {
1674 static int monitor_device_index = 0;
1675 QemuOpts *opts;
1676 const char *p;
1677 char label[32];
1678 int def = 0;
1679
1680 if (strstart(optarg, "chardev:", &p)) {
1681 snprintf(label, sizeof(label), "%s", p);
1682 } else {
1683 snprintf(label, sizeof(label), "compat_monitor%d",
1684 monitor_device_index);
1685 if (monitor_device_index == 0) {
1686 def = 1;
1687 }
1688 opts = qemu_chr_parse_compat(label, optarg);
1689 if (!opts) {
1690 fprintf(stderr, "parse error: %s\n", optarg);
1691 exit(1);
1692 }
1693 }
1694
1695 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1696 if (!opts) {
1697 fprintf(stderr, "duplicate chardev: %s\n", label);
1698 exit(1);
1699 }
1700 qemu_opt_set(opts, "mode", mode);
1701 qemu_opt_set(opts, "chardev", label);
1702 if (def)
1703 qemu_opt_set(opts, "default", "on");
1704 monitor_device_index++;
1705 }
1706
1707 struct device_config {
1708 enum {
1709 DEV_USB, /* -usbdevice */
1710 DEV_BT, /* -bt */
1711 DEV_SERIAL, /* -serial */
1712 DEV_PARALLEL, /* -parallel */
1713 DEV_VIRTCON, /* -virtioconsole */
1714 DEV_DEBUGCON, /* -debugcon */
1715 } type;
1716 const char *cmdline;
1717 QTAILQ_ENTRY(device_config) next;
1718 };
1719 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1720
1721 static void add_device_config(int type, const char *cmdline)
1722 {
1723 struct device_config *conf;
1724
1725 conf = qemu_mallocz(sizeof(*conf));
1726 conf->type = type;
1727 conf->cmdline = cmdline;
1728 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1729 }
1730
1731 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1732 {
1733 struct device_config *conf;
1734 int rc;
1735
1736 QTAILQ_FOREACH(conf, &device_configs, next) {
1737 if (conf->type != type)
1738 continue;
1739 rc = func(conf->cmdline);
1740 if (0 != rc)
1741 return rc;
1742 }
1743 return 0;
1744 }
1745
1746 static int serial_parse(const char *devname)
1747 {
1748 static int index = 0;
1749 char label[32];
1750
1751 if (strcmp(devname, "none") == 0)
1752 return 0;
1753 if (index == MAX_SERIAL_PORTS) {
1754 fprintf(stderr, "qemu: too many serial ports\n");
1755 exit(1);
1756 }
1757 snprintf(label, sizeof(label), "serial%d", index);
1758 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1759 if (!serial_hds[index]) {
1760 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1761 devname, strerror(errno));
1762 return -1;
1763 }
1764 index++;
1765 return 0;
1766 }
1767
1768 static int parallel_parse(const char *devname)
1769 {
1770 static int index = 0;
1771 char label[32];
1772
1773 if (strcmp(devname, "none") == 0)
1774 return 0;
1775 if (index == MAX_PARALLEL_PORTS) {
1776 fprintf(stderr, "qemu: too many parallel ports\n");
1777 exit(1);
1778 }
1779 snprintf(label, sizeof(label), "parallel%d", index);
1780 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1781 if (!parallel_hds[index]) {
1782 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1783 devname, strerror(errno));
1784 return -1;
1785 }
1786 index++;
1787 return 0;
1788 }
1789
1790 static int virtcon_parse(const char *devname)
1791 {
1792 QemuOptsList *device = qemu_find_opts("device");
1793 static int index = 0;
1794 char label[32];
1795 QemuOpts *bus_opts, *dev_opts;
1796
1797 if (strcmp(devname, "none") == 0)
1798 return 0;
1799 if (index == MAX_VIRTIO_CONSOLES) {
1800 fprintf(stderr, "qemu: too many virtio consoles\n");
1801 exit(1);
1802 }
1803
1804 bus_opts = qemu_opts_create(device, NULL, 0);
1805 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1806
1807 dev_opts = qemu_opts_create(device, NULL, 0);
1808 qemu_opt_set(dev_opts, "driver", "virtconsole");
1809
1810 snprintf(label, sizeof(label), "virtcon%d", index);
1811 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1812 if (!virtcon_hds[index]) {
1813 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1814 devname, strerror(errno));
1815 return -1;
1816 }
1817 qemu_opt_set(dev_opts, "chardev", label);
1818
1819 index++;
1820 return 0;
1821 }
1822
1823 static int debugcon_parse(const char *devname)
1824 {
1825 QemuOpts *opts;
1826
1827 if (!qemu_chr_open("debugcon", devname, NULL)) {
1828 exit(1);
1829 }
1830 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1831 if (!opts) {
1832 fprintf(stderr, "qemu: already have a debugcon device\n");
1833 exit(1);
1834 }
1835 qemu_opt_set(opts, "driver", "isa-debugcon");
1836 qemu_opt_set(opts, "chardev", "debugcon");
1837 return 0;
1838 }
1839
1840 void qemu_add_exit_notifier(Notifier *notify)
1841 {
1842 notifier_list_add(&exit_notifiers, notify);
1843 }
1844
1845 void qemu_remove_exit_notifier(Notifier *notify)
1846 {
1847 notifier_list_remove(&exit_notifiers, notify);
1848 }
1849
1850 static void qemu_run_exit_notifiers(void)
1851 {
1852 notifier_list_notify(&exit_notifiers);
1853 }
1854
1855 void qemu_add_machine_init_done_notifier(Notifier *notify)
1856 {
1857 notifier_list_add(&machine_init_done_notifiers, notify);
1858 }
1859
1860 static void qemu_run_machine_init_done_notifiers(void)
1861 {
1862 notifier_list_notify(&machine_init_done_notifiers);
1863 }
1864
1865 static const QEMUOption *lookup_opt(int argc, char **argv,
1866 const char **poptarg, int *poptind)
1867 {
1868 const QEMUOption *popt;
1869 int optind = *poptind;
1870 char *r = argv[optind];
1871 const char *optarg;
1872
1873 loc_set_cmdline(argv, optind, 1);
1874 optind++;
1875 /* Treat --foo the same as -foo. */
1876 if (r[1] == '-')
1877 r++;
1878 popt = qemu_options;
1879 for(;;) {
1880 if (!popt->name) {
1881 error_report("invalid option");
1882 exit(1);
1883 }
1884 if (!strcmp(popt->name, r + 1))
1885 break;
1886 popt++;
1887 }
1888 if (popt->flags & HAS_ARG) {
1889 if (optind >= argc) {
1890 error_report("requires an argument");
1891 exit(1);
1892 }
1893 optarg = argv[optind++];
1894 loc_set_cmdline(argv, optind - 2, 2);
1895 } else {
1896 optarg = NULL;
1897 }
1898
1899 *poptarg = optarg;
1900 *poptind = optind;
1901
1902 return popt;
1903 }
1904
1905 int main(int argc, char **argv, char **envp)
1906 {
1907 const char *gdbstub_dev = NULL;
1908 int i;
1909 int snapshot, linux_boot;
1910 const char *icount_option = NULL;
1911 const char *initrd_filename;
1912 const char *kernel_filename, *kernel_cmdline;
1913 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1914 DisplayState *ds;
1915 DisplayChangeListener *dcl;
1916 int cyls, heads, secs, translation;
1917 QemuOpts *hda_opts = NULL, *opts;
1918 QemuOptsList *olist;
1919 int optind;
1920 const char *optarg;
1921 const char *loadvm = NULL;
1922 QEMUMachine *machine;
1923 const char *cpu_model;
1924 int tb_size;
1925 const char *pid_file = NULL;
1926 const char *incoming = NULL;
1927 int show_vnc_port = 0;
1928 int defconfig = 1;
1929
1930 #ifdef CONFIG_SIMPLE_TRACE
1931 const char *trace_file = NULL;
1932 #endif
1933 atexit(qemu_run_exit_notifiers);
1934 error_set_progname(argv[0]);
1935
1936 init_clocks();
1937
1938 qemu_cache_utils_init(envp);
1939
1940 QLIST_INIT (&vm_change_state_head);
1941 os_setup_early_signal_handling();
1942
1943 module_call_init(MODULE_INIT_MACHINE);
1944 machine = find_default_machine();
1945 cpu_model = NULL;
1946 initrd_filename = NULL;
1947 ram_size = 0;
1948 snapshot = 0;
1949 kernel_filename = NULL;
1950 kernel_cmdline = "";
1951 cyls = heads = secs = 0;
1952 translation = BIOS_ATA_TRANSLATION_AUTO;
1953
1954 for (i = 0; i < MAX_NODES; i++) {
1955 node_mem[i] = 0;
1956 node_cpumask[i] = 0;
1957 }
1958
1959 nb_numa_nodes = 0;
1960 nb_nics = 0;
1961
1962 tb_size = 0;
1963 autostart= 1;
1964
1965 /* first pass of option parsing */
1966 optind = 1;
1967 while (optind < argc) {
1968 if (argv[optind][0] != '-') {
1969 /* disk image */
1970 optind++;
1971 continue;
1972 } else {
1973 const QEMUOption *popt;
1974
1975 popt = lookup_opt(argc, argv, &optarg, &optind);
1976 switch (popt->index) {
1977 case QEMU_OPTION_nodefconfig:
1978 defconfig=0;
1979 break;
1980 }
1981 }
1982 }
1983
1984 if (defconfig) {
1985 int ret;
1986
1987 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1988 if (ret < 0 && ret != -ENOENT) {
1989 exit(1);
1990 }
1991
1992 ret = qemu_read_config_file(arch_config_name);
1993 if (ret < 0 && ret != -ENOENT) {
1994 exit(1);
1995 }
1996 }
1997 cpudef_init();
1998
1999 /* second pass of option parsing */
2000 optind = 1;
2001 for(;;) {
2002 if (optind >= argc)
2003 break;
2004 if (argv[optind][0] != '-') {
2005 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2006 } else {
2007 const QEMUOption *popt;
2008
2009 popt = lookup_opt(argc, argv, &optarg, &optind);
2010 if (!(popt->arch_mask & arch_type)) {
2011 printf("Option %s not supported for this target\n", popt->name);
2012 exit(1);
2013 }
2014 switch(popt->index) {
2015 case QEMU_OPTION_M:
2016 machine = find_machine(optarg);
2017 if (!machine) {
2018 QEMUMachine *m;
2019 printf("Supported machines are:\n");
2020 for(m = first_machine; m != NULL; m = m->next) {
2021 if (m->alias)
2022 printf("%-10s %s (alias of %s)\n",
2023 m->alias, m->desc, m->name);
2024 printf("%-10s %s%s\n",
2025 m->name, m->desc,
2026 m->is_default ? " (default)" : "");
2027 }
2028 exit(*optarg != '?');
2029 }
2030 break;
2031 case QEMU_OPTION_cpu:
2032 /* hw initialization will check this */
2033 if (*optarg == '?') {
2034 list_cpus(stdout, &fprintf, optarg);
2035 exit(0);
2036 } else {
2037 cpu_model = optarg;
2038 }
2039 break;
2040 case QEMU_OPTION_initrd:
2041 initrd_filename = optarg;
2042 break;
2043 case QEMU_OPTION_hda:
2044 {
2045 char buf[256];
2046 if (cyls == 0)
2047 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2048 else
2049 snprintf(buf, sizeof(buf),
2050 "%s,cyls=%d,heads=%d,secs=%d%s",
2051 HD_OPTS , cyls, heads, secs,
2052 translation == BIOS_ATA_TRANSLATION_LBA ?
2053 ",trans=lba" :
2054 translation == BIOS_ATA_TRANSLATION_NONE ?
2055 ",trans=none" : "");
2056 drive_add(IF_DEFAULT, 0, optarg, buf);
2057 break;
2058 }
2059 case QEMU_OPTION_hdb:
2060 case QEMU_OPTION_hdc:
2061 case QEMU_OPTION_hdd:
2062 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2063 HD_OPTS);
2064 break;
2065 case QEMU_OPTION_drive:
2066 drive_def(optarg);
2067 break;
2068 case QEMU_OPTION_set:
2069 if (qemu_set_option(optarg) != 0)
2070 exit(1);
2071 break;
2072 case QEMU_OPTION_global:
2073 if (qemu_global_option(optarg) != 0)
2074 exit(1);
2075 break;
2076 case QEMU_OPTION_mtdblock:
2077 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2078 break;
2079 case QEMU_OPTION_sd:
2080 drive_add(IF_SD, 0, optarg, SD_OPTS);
2081 break;
2082 case QEMU_OPTION_pflash:
2083 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2084 break;
2085 case QEMU_OPTION_snapshot:
2086 snapshot = 1;
2087 break;
2088 case QEMU_OPTION_hdachs:
2089 {
2090 const char *p;
2091 p = optarg;
2092 cyls = strtol(p, (char **)&p, 0);
2093 if (cyls < 1 || cyls > 16383)
2094 goto chs_fail;
2095 if (*p != ',')
2096 goto chs_fail;
2097 p++;
2098 heads = strtol(p, (char **)&p, 0);
2099 if (heads < 1 || heads > 16)
2100 goto chs_fail;
2101 if (*p != ',')
2102 goto chs_fail;
2103 p++;
2104 secs = strtol(p, (char **)&p, 0);
2105 if (secs < 1 || secs > 63)
2106 goto chs_fail;
2107 if (*p == ',') {
2108 p++;
2109 if (!strcmp(p, "none"))
2110 translation = BIOS_ATA_TRANSLATION_NONE;
2111 else if (!strcmp(p, "lba"))
2112 translation = BIOS_ATA_TRANSLATION_LBA;
2113 else if (!strcmp(p, "auto"))
2114 translation = BIOS_ATA_TRANSLATION_AUTO;
2115 else
2116 goto chs_fail;
2117 } else if (*p != '\0') {
2118 chs_fail:
2119 fprintf(stderr, "qemu: invalid physical CHS format\n");
2120 exit(1);
2121 }
2122 if (hda_opts != NULL) {
2123 char num[16];
2124 snprintf(num, sizeof(num), "%d", cyls);
2125 qemu_opt_set(hda_opts, "cyls", num);
2126 snprintf(num, sizeof(num), "%d", heads);
2127 qemu_opt_set(hda_opts, "heads", num);
2128 snprintf(num, sizeof(num), "%d", secs);
2129 qemu_opt_set(hda_opts, "secs", num);
2130 if (translation == BIOS_ATA_TRANSLATION_LBA)
2131 qemu_opt_set(hda_opts, "trans", "lba");
2132 if (translation == BIOS_ATA_TRANSLATION_NONE)
2133 qemu_opt_set(hda_opts, "trans", "none");
2134 }
2135 }
2136 break;
2137 case QEMU_OPTION_numa:
2138 if (nb_numa_nodes >= MAX_NODES) {
2139 fprintf(stderr, "qemu: too many NUMA nodes\n");
2140 exit(1);
2141 }
2142 numa_add(optarg);
2143 break;
2144 case QEMU_OPTION_nographic:
2145 display_type = DT_NOGRAPHIC;
2146 break;
2147 #ifdef CONFIG_CURSES
2148 case QEMU_OPTION_curses:
2149 display_type = DT_CURSES;
2150 break;
2151 #endif
2152 case QEMU_OPTION_portrait:
2153 graphic_rotate = 1;
2154 break;
2155 case QEMU_OPTION_kernel:
2156 kernel_filename = optarg;
2157 break;
2158 case QEMU_OPTION_append:
2159 kernel_cmdline = optarg;
2160 break;
2161 case QEMU_OPTION_cdrom:
2162 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2163 break;
2164 case QEMU_OPTION_boot:
2165 {
2166 static const char * const params[] = {
2167 "order", "once", "menu", NULL
2168 };
2169 char buf[sizeof(boot_devices)];
2170 char *standard_boot_devices;
2171 int legacy = 0;
2172
2173 if (!strchr(optarg, '=')) {
2174 legacy = 1;
2175 pstrcpy(buf, sizeof(buf), optarg);
2176 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2177 fprintf(stderr,
2178 "qemu: unknown boot parameter '%s' in '%s'\n",
2179 buf, optarg);
2180 exit(1);
2181 }
2182
2183 if (legacy ||
2184 get_param_value(buf, sizeof(buf), "order", optarg)) {
2185 validate_bootdevices(buf);
2186 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2187 }
2188 if (!legacy) {
2189 if (get_param_value(buf, sizeof(buf),
2190 "once", optarg)) {
2191 validate_bootdevices(buf);
2192 standard_boot_devices = qemu_strdup(boot_devices);
2193 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2194 qemu_register_reset(restore_boot_devices,
2195 standard_boot_devices);
2196 }
2197 if (get_param_value(buf, sizeof(buf),
2198 "menu", optarg)) {
2199 if (!strcmp(buf, "on")) {
2200 boot_menu = 1;
2201 } else if (!strcmp(buf, "off")) {
2202 boot_menu = 0;
2203 } else {
2204 fprintf(stderr,
2205 "qemu: invalid option value '%s'\n",
2206 buf);
2207 exit(1);
2208 }
2209 }
2210 }
2211 }
2212 break;
2213 case QEMU_OPTION_fda:
2214 case QEMU_OPTION_fdb:
2215 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2216 optarg, FD_OPTS);
2217 break;
2218 case QEMU_OPTION_no_fd_bootchk:
2219 fd_bootchk = 0;
2220 break;
2221 case QEMU_OPTION_netdev:
2222 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2223 exit(1);
2224 }
2225 break;
2226 case QEMU_OPTION_net:
2227 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2228 exit(1);
2229 }
2230 break;
2231 #ifdef CONFIG_SLIRP
2232 case QEMU_OPTION_tftp:
2233 legacy_tftp_prefix = optarg;
2234 break;
2235 case QEMU_OPTION_bootp:
2236 legacy_bootp_filename = optarg;
2237 break;
2238 case QEMU_OPTION_redir:
2239 if (net_slirp_redir(optarg) < 0)
2240 exit(1);
2241 break;
2242 #endif
2243 case QEMU_OPTION_bt:
2244 add_device_config(DEV_BT, optarg);
2245 break;
2246 case QEMU_OPTION_audio_help:
2247 if (!(audio_available())) {
2248 printf("Option %s not supported for this target\n", popt->name);
2249 exit(1);
2250 }
2251 AUD_help ();
2252 exit (0);
2253 break;
2254 case QEMU_OPTION_soundhw:
2255 if (!(audio_available())) {
2256 printf("Option %s not supported for this target\n", popt->name);
2257 exit(1);
2258 }
2259 select_soundhw (optarg);
2260 break;
2261 case QEMU_OPTION_h:
2262 help(0);
2263 break;
2264 case QEMU_OPTION_version:
2265 version();
2266 exit(0);
2267 break;
2268 case QEMU_OPTION_m: {
2269 int64_t value;
2270
2271 value = strtosz(optarg, NULL);
2272 if (value < 0) {
2273 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2274 exit(1);
2275 }
2276
2277 /* On 32-bit hosts, QEMU is limited by virtual address space */
2278 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2279 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2280 exit(1);
2281 }
2282 if (value != (uint64_t)(ram_addr_t)value) {
2283 fprintf(stderr, "qemu: ram size too large\n");
2284 exit(1);
2285 }
2286 ram_size = value;
2287 break;
2288 }
2289 case QEMU_OPTION_mempath:
2290 mem_path = optarg;
2291 break;
2292 #ifdef MAP_POPULATE
2293 case QEMU_OPTION_mem_prealloc:
2294 mem_prealloc = 1;
2295 break;
2296 #endif
2297 case QEMU_OPTION_d:
2298 set_cpu_log(optarg);
2299 break;
2300 case QEMU_OPTION_s:
2301 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2302 break;
2303 case QEMU_OPTION_gdb:
2304 gdbstub_dev = optarg;
2305 break;
2306 case QEMU_OPTION_L:
2307 data_dir = optarg;
2308 break;
2309 case QEMU_OPTION_bios:
2310 bios_name = optarg;
2311 break;
2312 case QEMU_OPTION_singlestep:
2313 singlestep = 1;
2314 break;
2315 case QEMU_OPTION_S:
2316 autostart = 0;
2317 break;
2318 case QEMU_OPTION_k:
2319 keyboard_layout = optarg;
2320 break;
2321 case QEMU_OPTION_localtime:
2322 rtc_utc = 0;
2323 break;
2324 case QEMU_OPTION_vga:
2325 select_vgahw (optarg);
2326 break;
2327 case QEMU_OPTION_g:
2328 {
2329 const char *p;
2330 int w, h, depth;
2331 p = optarg;
2332 w = strtol(p, (char **)&p, 10);
2333 if (w <= 0) {
2334 graphic_error:
2335 fprintf(stderr, "qemu: invalid resolution or depth\n");
2336 exit(1);
2337 }
2338 if (*p != 'x')
2339 goto graphic_error;
2340 p++;
2341 h = strtol(p, (char **)&p, 10);
2342 if (h <= 0)
2343 goto graphic_error;
2344 if (*p == 'x') {
2345 p++;
2346 depth = strtol(p, (char **)&p, 10);
2347 if (depth != 8 && depth != 15 && depth != 16 &&
2348 depth != 24 && depth != 32)
2349 goto graphic_error;
2350 } else if (*p == '\0') {
2351 depth = graphic_depth;
2352 } else {
2353 goto graphic_error;
2354 }
2355
2356 graphic_width = w;
2357 graphic_height = h;
2358 graphic_depth = depth;
2359 }
2360 break;
2361 case QEMU_OPTION_echr:
2362 {
2363 char *r;
2364 term_escape_char = strtol(optarg, &r, 0);
2365 if (r == optarg)
2366 printf("Bad argument to echr\n");
2367 break;
2368 }
2369 case QEMU_OPTION_monitor:
2370 monitor_parse(optarg, "readline");
2371 default_monitor = 0;
2372 break;
2373 case QEMU_OPTION_qmp:
2374 monitor_parse(optarg, "control");
2375 default_monitor = 0;
2376 break;
2377 case QEMU_OPTION_mon:
2378 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2379 if (!opts) {
2380 exit(1);
2381 }
2382 default_monitor = 0;
2383 break;
2384 case QEMU_OPTION_chardev:
2385 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2386 if (!opts) {
2387 exit(1);
2388 }
2389 break;
2390 case QEMU_OPTION_fsdev:
2391 olist = qemu_find_opts("fsdev");
2392 if (!olist) {
2393 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2394 exit(1);
2395 }
2396 opts = qemu_opts_parse(olist, optarg, 1);
2397 if (!opts) {
2398 fprintf(stderr, "parse error: %s\n", optarg);
2399 exit(1);
2400 }
2401 break;
2402 case QEMU_OPTION_virtfs: {
2403 char *arg_fsdev = NULL;
2404 char *arg_9p = NULL;
2405 int len = 0;
2406
2407 olist = qemu_find_opts("virtfs");
2408 if (!olist) {
2409 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2410 exit(1);
2411 }
2412 opts = qemu_opts_parse(olist, optarg, 1);
2413 if (!opts) {
2414 fprintf(stderr, "parse error: %s\n", optarg);
2415 exit(1);
2416 }
2417
2418 if (qemu_opt_get(opts, "fstype") == NULL ||
2419 qemu_opt_get(opts, "mount_tag") == NULL ||
2420 qemu_opt_get(opts, "path") == NULL ||
2421 qemu_opt_get(opts, "security_model") == NULL) {
2422 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2423 "security_model=[mapped|passthrough|none],"
2424 "mnt_tag=tag.\n");
2425 exit(1);
2426 }
2427
2428 len = strlen(",id=,path=,security_model=");
2429 len += strlen(qemu_opt_get(opts, "fstype"));
2430 len += strlen(qemu_opt_get(opts, "mount_tag"));
2431 len += strlen(qemu_opt_get(opts, "path"));
2432 len += strlen(qemu_opt_get(opts, "security_model"));
2433 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2434
2435 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2436 "%s,id=%s,path=%s,security_model=%s",
2437 qemu_opt_get(opts, "fstype"),
2438 qemu_opt_get(opts, "mount_tag"),
2439 qemu_opt_get(opts, "path"),
2440 qemu_opt_get(opts, "security_model"));
2441
2442 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2443 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2444 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2445
2446 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2447 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2448 qemu_opt_get(opts, "mount_tag"),
2449 qemu_opt_get(opts, "mount_tag"));
2450
2451 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2452 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2453 exit(1);
2454 }
2455
2456 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2457 fprintf(stderr, "parse error [device]: %s\n", optarg);
2458 exit(1);
2459 }
2460
2461 qemu_free(arg_fsdev);
2462 qemu_free(arg_9p);
2463 break;
2464 }
2465 case QEMU_OPTION_serial:
2466 add_device_config(DEV_SERIAL, optarg);
2467 default_serial = 0;
2468 if (strncmp(optarg, "mon:", 4) == 0) {
2469 default_monitor = 0;
2470 }
2471 break;
2472 case QEMU_OPTION_watchdog:
2473 if (watchdog) {
2474 fprintf(stderr,
2475 "qemu: only one watchdog option may be given\n");
2476 return 1;
2477 }
2478 watchdog = optarg;
2479 break;
2480 case QEMU_OPTION_watchdog_action:
2481 if (select_watchdog_action(optarg) == -1) {
2482 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2483 exit(1);
2484 }
2485 break;
2486 case QEMU_OPTION_virtiocon:
2487 add_device_config(DEV_VIRTCON, optarg);
2488 default_virtcon = 0;
2489 if (strncmp(optarg, "mon:", 4) == 0) {
2490 default_monitor = 0;
2491 }
2492 break;
2493 case QEMU_OPTION_parallel:
2494 add_device_config(DEV_PARALLEL, optarg);
2495 default_parallel = 0;
2496 if (strncmp(optarg, "mon:", 4) == 0) {
2497 default_monitor = 0;
2498 }
2499 break;
2500 case QEMU_OPTION_debugcon:
2501 add_device_config(DEV_DEBUGCON, optarg);
2502 break;
2503 case QEMU_OPTION_loadvm:
2504 loadvm = optarg;
2505 break;
2506 case QEMU_OPTION_full_screen:
2507 full_screen = 1;
2508 break;
2509 #ifdef CONFIG_SDL
2510 case QEMU_OPTION_no_frame:
2511 no_frame = 1;
2512 break;
2513 case QEMU_OPTION_alt_grab:
2514 alt_grab = 1;
2515 break;
2516 case QEMU_OPTION_ctrl_grab:
2517 ctrl_grab = 1;
2518 break;
2519 case QEMU_OPTION_no_quit:
2520 no_quit = 1;
2521 break;
2522 case QEMU_OPTION_sdl:
2523 display_type = DT_SDL;
2524 break;
2525 #endif
2526 case QEMU_OPTION_pidfile:
2527 pid_file = optarg;
2528 break;
2529 case QEMU_OPTION_win2k_hack:
2530 win2k_install_hack = 1;
2531 break;
2532 case QEMU_OPTION_rtc_td_hack:
2533 rtc_td_hack = 1;
2534 break;
2535 case QEMU_OPTION_acpitable:
2536 do_acpitable_option(optarg);
2537 break;
2538 case QEMU_OPTION_smbios:
2539 do_smbios_option(optarg);
2540 break;
2541 case QEMU_OPTION_enable_kvm:
2542 kvm_allowed = 1;
2543 break;
2544 case QEMU_OPTION_usb:
2545 usb_enabled = 1;
2546 break;
2547 case QEMU_OPTION_usbdevice:
2548 usb_enabled = 1;
2549 add_device_config(DEV_USB, optarg);
2550 break;
2551 case QEMU_OPTION_device:
2552 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2553 exit(1);
2554 }
2555 break;
2556 case QEMU_OPTION_smp:
2557 smp_parse(optarg);
2558 if (smp_cpus < 1) {
2559 fprintf(stderr, "Invalid number of CPUs\n");
2560 exit(1);
2561 }
2562 if (max_cpus < smp_cpus) {
2563 fprintf(stderr, "maxcpus must be equal to or greater than "
2564 "smp\n");
2565 exit(1);
2566 }
2567 if (max_cpus > 255) {
2568 fprintf(stderr, "Unsupported number of maxcpus\n");
2569 exit(1);
2570 }
2571 break;
2572 case QEMU_OPTION_vnc:
2573 display_remote++;
2574 vnc_display = optarg;
2575 break;
2576 case QEMU_OPTION_no_acpi:
2577 acpi_enabled = 0;
2578 break;
2579 case QEMU_OPTION_no_hpet:
2580 no_hpet = 1;
2581 break;
2582 case QEMU_OPTION_balloon:
2583 if (balloon_parse(optarg) < 0) {
2584 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2585 exit(1);
2586 }
2587 break;
2588 case QEMU_OPTION_no_reboot:
2589 no_reboot = 1;
2590 break;
2591 case QEMU_OPTION_no_shutdown:
2592 no_shutdown = 1;
2593 break;
2594 case QEMU_OPTION_show_cursor:
2595 cursor_hide = 0;
2596 break;
2597 case QEMU_OPTION_uuid:
2598 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2599 fprintf(stderr, "Fail to parse UUID string."
2600 " Wrong format.\n");
2601 exit(1);
2602 }
2603 break;
2604 case QEMU_OPTION_option_rom:
2605 if (nb_option_roms >= MAX_OPTION_ROMS) {
2606 fprintf(stderr, "Too many option ROMs\n");
2607 exit(1);
2608 }
2609 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2610 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2611 option_rom[nb_option_roms].bootindex =
2612 qemu_opt_get_number(opts, "bootindex", -1);
2613 if (!option_rom[nb_option_roms].name) {
2614 fprintf(stderr, "Option ROM file is not specified\n");
2615 exit(1);
2616 }
2617 nb_option_roms++;
2618 break;
2619 case QEMU_OPTION_semihosting:
2620 semihosting_enabled = 1;
2621 break;
2622 case QEMU_OPTION_name:
2623 qemu_name = qemu_strdup(optarg);
2624 {
2625 char *p = strchr(qemu_name, ',');
2626 if (p != NULL) {
2627 *p++ = 0;
2628 if (strncmp(p, "process=", 8)) {
2629 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2630 exit(1);
2631 }
2632 p += 8;
2633 os_set_proc_name(p);
2634 }
2635 }
2636 break;
2637 case QEMU_OPTION_prom_env:
2638 if (nb_prom_envs >= MAX_PROM_ENVS) {
2639 fprintf(stderr, "Too many prom variables\n");
2640 exit(1);
2641 }
2642 prom_envs[nb_prom_envs] = optarg;
2643 nb_prom_envs++;
2644 break;
2645 case QEMU_OPTION_old_param:
2646 old_param = 1;
2647 break;
2648 case QEMU_OPTION_clock:
2649 configure_alarms(optarg);
2650 break;
2651 case QEMU_OPTION_startdate:
2652 configure_rtc_date_offset(optarg, 1);
2653 break;
2654 case QEMU_OPTION_rtc:
2655 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2656 if (!opts) {
2657 exit(1);
2658 }
2659 configure_rtc(opts);
2660 break;
2661 case QEMU_OPTION_tb_size:
2662 tb_size = strtol(optarg, NULL, 0);
2663 if (tb_size < 0)
2664 tb_size = 0;
2665 break;
2666 case QEMU_OPTION_icount:
2667 icount_option = optarg;
2668 break;
2669 case QEMU_OPTION_incoming:
2670 incoming = optarg;
2671 incoming_expected = true;
2672 break;
2673 case QEMU_OPTION_nodefaults:
2674 default_serial = 0;
2675 default_parallel = 0;
2676 default_virtcon = 0;
2677 default_monitor = 0;
2678 default_vga = 0;
2679 default_net = 0;
2680 default_floppy = 0;
2681 default_cdrom = 0;
2682 default_sdcard = 0;
2683 break;
2684 case QEMU_OPTION_xen_domid:
2685 if (!(xen_available())) {
2686 printf("Option %s not supported for this target\n", popt->name);
2687 exit(1);
2688 }
2689 xen_domid = atoi(optarg);
2690 break;
2691 case QEMU_OPTION_xen_create:
2692 if (!(xen_available())) {
2693 printf("Option %s not supported for this target\n", popt->name);
2694 exit(1);
2695 }
2696 xen_mode = XEN_CREATE;
2697 break;
2698 case QEMU_OPTION_xen_attach:
2699 if (!(xen_available())) {
2700 printf("Option %s not supported for this target\n", popt->name);
2701 exit(1);
2702 }
2703 xen_mode = XEN_ATTACH;
2704 break;
2705 #ifdef CONFIG_SIMPLE_TRACE
2706 case QEMU_OPTION_trace:
2707 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2708 if (opts) {
2709 trace_file = qemu_opt_get(opts, "file");
2710 }
2711 break;
2712 #endif
2713 case QEMU_OPTION_readconfig:
2714 {
2715 int ret = qemu_read_config_file(optarg);
2716 if (ret < 0) {
2717 fprintf(stderr, "read config %s: %s\n", optarg,
2718 strerror(-ret));
2719 exit(1);
2720 }
2721 break;
2722 }
2723 case QEMU_OPTION_spice:
2724 olist = qemu_find_opts("spice");
2725 if (!olist) {
2726 fprintf(stderr, "spice is not supported by this qemu build.\n");
2727 exit(1);
2728 }
2729 opts = qemu_opts_parse(olist, optarg, 0);
2730 if (!opts) {
2731 fprintf(stderr, "parse error: %s\n", optarg);
2732 exit(1);
2733 }
2734 break;
2735 case QEMU_OPTION_writeconfig:
2736 {
2737 FILE *fp;
2738 if (strcmp(optarg, "-") == 0) {
2739 fp = stdout;
2740 } else {
2741 fp = fopen(optarg, "w");
2742 if (fp == NULL) {
2743 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2744 exit(1);
2745 }
2746 }
2747 qemu_config_write(fp);
2748 fclose(fp);
2749 break;
2750 }
2751 default:
2752 os_parse_cmd_args(popt->index, optarg);
2753 }
2754 }
2755 }
2756 loc_set_none();
2757
2758 /* If no data_dir is specified then try to find it relative to the
2759 executable path. */
2760 if (!data_dir) {
2761 data_dir = os_find_datadir(argv[0]);
2762 }
2763 /* If all else fails use the install patch specified when building. */
2764 if (!data_dir) {
2765 data_dir = CONFIG_QEMU_DATADIR;
2766 }
2767
2768 #ifdef CONFIG_SIMPLE_TRACE
2769 /*
2770 * Set the trace file name, if specified.
2771 */
2772 st_set_trace_file(trace_file);
2773 #endif
2774 /*
2775 * Default to max_cpus = smp_cpus, in case the user doesn't
2776 * specify a max_cpus value.
2777 */
2778 if (!max_cpus)
2779 max_cpus = smp_cpus;
2780
2781 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2782 if (smp_cpus > machine->max_cpus) {
2783 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2784 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2785 machine->max_cpus);
2786 exit(1);
2787 }
2788
2789 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2790 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2791
2792 if (machine->no_serial) {
2793 default_serial = 0;
2794 }
2795 if (machine->no_parallel) {
2796 default_parallel = 0;
2797 }
2798 if (!machine->use_virtcon) {
2799 default_virtcon = 0;
2800 }
2801 if (machine->no_vga) {
2802 default_vga = 0;
2803 }
2804 if (machine->no_floppy) {
2805 default_floppy = 0;
2806 }
2807 if (machine->no_cdrom) {
2808 default_cdrom = 0;
2809 }
2810 if (machine->no_sdcard) {
2811 default_sdcard = 0;
2812 }
2813
2814 if (display_type == DT_NOGRAPHIC) {
2815 if (default_parallel)
2816 add_device_config(DEV_PARALLEL, "null");
2817 if (default_serial && default_monitor) {
2818 add_device_config(DEV_SERIAL, "mon:stdio");
2819 } else if (default_virtcon && default_monitor) {
2820 add_device_config(DEV_VIRTCON, "mon:stdio");
2821 } else {
2822 if (default_serial)
2823 add_device_config(DEV_SERIAL, "stdio");
2824 if (default_virtcon)
2825 add_device_config(DEV_VIRTCON, "stdio");
2826 if (default_monitor)
2827 monitor_parse("stdio", "readline");
2828 }
2829 } else {
2830 if (default_serial)
2831 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2832 if (default_parallel)
2833 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2834 if (default_monitor)
2835 monitor_parse("vc:80Cx24C", "readline");
2836 if (default_virtcon)
2837 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2838 }
2839 if (default_vga)
2840 vga_interface_type = VGA_CIRRUS;
2841
2842 socket_init();
2843
2844 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2845 exit(1);
2846 #ifdef CONFIG_VIRTFS
2847 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2848 exit(1);
2849 }
2850 #endif
2851
2852 os_daemonize();
2853
2854 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2855 os_pidfile_error();
2856 exit(1);
2857 }
2858
2859 if (kvm_allowed) {
2860 int ret = kvm_init();
2861 if (ret < 0) {
2862 if (!kvm_available()) {
2863 printf("KVM not supported for this target\n");
2864 } else {
2865 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2866 }
2867 exit(1);
2868 }
2869 }
2870
2871 if (qemu_init_main_loop()) {
2872 fprintf(stderr, "qemu_init_main_loop failed\n");
2873 exit(1);
2874 }
2875 linux_boot = (kernel_filename != NULL);
2876
2877 if (!linux_boot && *kernel_cmdline != '\0') {
2878 fprintf(stderr, "-append only allowed with -kernel option\n");
2879 exit(1);
2880 }
2881
2882 if (!linux_boot && initrd_filename != NULL) {
2883 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2884 exit(1);
2885 }
2886
2887 os_set_line_buffering();
2888
2889 if (init_timer_alarm() < 0) {
2890 fprintf(stderr, "could not initialize alarm timer\n");
2891 exit(1);
2892 }
2893 configure_icount(icount_option);
2894
2895 if (net_init_clients() < 0) {
2896 exit(1);
2897 }
2898
2899 /* init the bluetooth world */
2900 if (foreach_device_config(DEV_BT, bt_parse))
2901 exit(1);
2902
2903 /* init the memory */
2904 if (ram_size == 0)
2905 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2906
2907 /* init the dynamic translator */
2908 cpu_exec_init_all(tb_size * 1024 * 1024);
2909
2910 bdrv_init_with_whitelist();
2911
2912 blk_mig_init();
2913
2914 /* open the virtual block devices */
2915 if (snapshot)
2916 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2917 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2918 exit(1);
2919
2920 default_drive(default_cdrom, snapshot, machine->use_scsi,
2921 IF_DEFAULT, 2, CDROM_OPTS);
2922 default_drive(default_floppy, snapshot, machine->use_scsi,
2923 IF_FLOPPY, 0, FD_OPTS);
2924 default_drive(default_sdcard, snapshot, machine->use_scsi,
2925 IF_SD, 0, SD_OPTS);
2926
2927 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2928 ram_load, NULL);
2929
2930 if (nb_numa_nodes > 0) {
2931 int i;
2932
2933 if (nb_numa_nodes > smp_cpus) {
2934 nb_numa_nodes = smp_cpus;
2935 }
2936
2937 /* If no memory size if given for any node, assume the default case
2938 * and distribute the available memory equally across all nodes
2939 */
2940 for (i = 0; i < nb_numa_nodes; i++) {
2941 if (node_mem[i] != 0)
2942 break;
2943 }
2944 if (i == nb_numa_nodes) {
2945 uint64_t usedmem = 0;
2946
2947 /* On Linux, the each node's border has to be 8MB aligned,
2948 * the final node gets the rest.
2949 */
2950 for (i = 0; i < nb_numa_nodes - 1; i++) {
2951 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2952 usedmem += node_mem[i];
2953 }
2954 node_mem[i] = ram_size - usedmem;
2955 }
2956
2957 for (i = 0; i < nb_numa_nodes; i++) {
2958 if (node_cpumask[i] != 0)
2959 break;
2960 }
2961 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2962 * must cope with this anyway, because there are BIOSes out there in
2963 * real machines which also use this scheme.
2964 */
2965 if (i == nb_numa_nodes) {
2966 for (i = 0; i < smp_cpus; i++) {
2967 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2968 }
2969 }
2970 }
2971
2972 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2973 exit(1);
2974 }
2975
2976 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2977 exit(1);
2978 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2979 exit(1);
2980 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2981 exit(1);
2982 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2983 exit(1);
2984
2985 module_call_init(MODULE_INIT_DEVICE);
2986
2987 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2988 exit(0);
2989
2990 if (watchdog) {
2991 i = select_watchdog(watchdog);
2992 if (i > 0)
2993 exit (i == 1 ? 1 : 0);
2994 }
2995
2996 if (machine->compat_props) {
2997 qdev_prop_register_global_list(machine->compat_props);
2998 }
2999 qemu_add_globals();
3000
3001 machine->init(ram_size, boot_devices,
3002 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3003
3004 cpu_synchronize_all_post_init();
3005
3006 /* must be after terminal init, SDL library changes signal handlers */
3007 os_setup_signal_handling();
3008
3009 set_numa_modes();
3010
3011 current_machine = machine;
3012
3013 /* init USB devices */
3014 if (usb_enabled) {
3015 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3016 exit(1);
3017 }
3018
3019 /* init generic devices */
3020 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3021 exit(1);
3022
3023 net_check_clients();
3024
3025 /* just use the first displaystate for the moment */
3026 ds = get_displaystate();
3027
3028 if (using_spice)
3029 display_remote++;
3030 if (display_type == DT_DEFAULT && !display_remote) {
3031 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3032 display_type = DT_SDL;
3033 #else
3034 vnc_display = "localhost:0,to=99";
3035 show_vnc_port = 1;
3036 #endif
3037 }
3038
3039
3040 /* init local displays */
3041 switch (display_type) {
3042 case DT_NOGRAPHIC:
3043 break;
3044 #if defined(CONFIG_CURSES)
3045 case DT_CURSES:
3046 curses_display_init(ds, full_screen);
3047 break;
3048 #endif
3049 #if defined(CONFIG_SDL)
3050 case DT_SDL:
3051 sdl_display_init(ds, full_screen, no_frame);
3052 break;
3053 #elif defined(CONFIG_COCOA)
3054 case DT_SDL:
3055 cocoa_display_init(ds, full_screen);
3056 break;
3057 #endif
3058 default:
3059 break;
3060 }
3061
3062 /* init remote displays */
3063 if (vnc_display) {
3064 vnc_display_init(ds);
3065 if (vnc_display_open(ds, vnc_display) < 0)
3066 exit(1);
3067
3068 if (show_vnc_port) {
3069 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3070 }
3071 }
3072 #ifdef CONFIG_SPICE
3073 if (using_spice && !qxl_enabled) {
3074 qemu_spice_display_init(ds);
3075 }
3076 #endif
3077
3078 /* display setup */
3079 dpy_resize(ds);
3080 dcl = ds->listeners;
3081 while (dcl != NULL) {
3082 if (dcl->dpy_refresh != NULL) {
3083 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3084 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3085 break;
3086 }
3087 dcl = dcl->next;
3088 }
3089 if (ds->gui_timer == NULL) {
3090 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3091 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3092 }
3093 text_consoles_set_display(ds);
3094
3095 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3096 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3097 gdbstub_dev);
3098 exit(1);
3099 }
3100
3101 qdev_machine_creation_done();
3102
3103 if (rom_load_all() != 0) {
3104 fprintf(stderr, "rom loading failed\n");
3105 exit(1);
3106 }
3107
3108 /* TODO: once all bus devices are qdevified, this should be done
3109 * when bus is created by qdev.c */
3110 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3111 qemu_run_machine_init_done_notifiers();
3112
3113 qemu_system_reset();
3114 if (loadvm) {
3115 if (load_vmstate(loadvm) < 0) {
3116 autostart = 0;
3117 }
3118 }
3119
3120 if (incoming) {
3121 int ret = qemu_start_incoming_migration(incoming);
3122 if (ret < 0) {
3123 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3124 incoming, ret);
3125 exit(ret);
3126 }
3127 } else if (autostart) {
3128 vm_start();
3129 }
3130
3131 os_setup_post();
3132
3133 main_loop();
3134 quit_timers();
3135 net_cleanup();
3136
3137 return 0;
3138 }
Qemu copy for testing